/* CSSVariantEngine v3.0 — official-2026-hth.com.cn */
/* Palette: violet-amber | Radius: rounded | Shadow: layered-glow */
/* Spacing: spacious | Transition: smooth */
/* Section layouts: {"news":"list-view","features":"grid-4","hero":"centered","testimonials":"masonry","partners":"centered","faq":"with-sidebar","stats":"big-number","cta":"full-bg"} */

:root {
    --color-primary: #6d28d9;
    --color-primary-dark: #2e1065;
    --color-accent: #d97706;
    --color-surface: #ffffff;
    --color-text: #1e1b4b;
    --rgb-primary: 109,40,217;
    --rgb-accent: 217,119,6;
    --radius-sm: 6px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 32px;
    --shadow-sm: 0 2px 8px rgba(109,40,217,.10), 0 1px 3px rgba(0,0,0,.05);
    --shadow-md: 0 12px 28px rgba(109,40,217,.14), 0 3px 8px rgba(0,0,0,.06);
    --shadow-lg: 0 28px 56px rgba(109,40,217,.20), 0 6px 16px rgba(0,0,0,.08);
    --space-section: 5rem;
    --space-card: 2rem;
    --space-gap: 1.5rem;
    --transition: 0.5s cubic-bezier(.22,1,.36,1);
    --heading-weight: 800;
    --body-line-height: 1.65;
    caret-color: var(--color-primary);
    accent-color: var(--color-accent);
}

/* 基础覆盖 */
body { color: var(--color-text); line-height: var(--body-line-height); background: radial-gradient(900px 500px at 85% -10%, rgba(var(--rgb-accent),.14), transparent 60%), linear-gradient(160deg, #fdf4ff 0%, #f5f3ff 45%, #eff6ff 100%); }
h1, h2, h3, h4 { font-weight: var(--heading-weight); background: linear-gradient(120deg, var(--color-primary-dark), var(--color-primary) 55%, var(--color-accent)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-card); transition: var(--transition); }
.btn, button[class*="btn"], a[class*="btn"] { border-radius: var(--radius-md); transition: var(--transition); background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 45%, var(--color-accent) 100%); color: #fff; border-style: solid; border-color: transparent; box-shadow: var(--shadow-sm); }
a:not([class]) { color: var(--color-primary); transition: var(--transition); text-decoration-color: rgba(var(--rgb-accent),.6); text-underline-offset: 3px; }

/* ========== Section Layout Variants ========== */

/* news: list-view */
/* 列表模式 (图左文右) */
                .news-grid { display: flex; flex-direction: column; gap: var(--space-gap); }
                .news-grid .card { display: grid; grid-template-columns: 280px 1fr; }

/* features: grid-4 */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }

/* hero: centered */
.hero-content { text-align: center; max-width: 800px; margin: 0 auto; }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
                .testimonial-list > * { break-inside: avoid; margin-bottom: var(--space-gap); }

/* partners: centered */
.partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }

/* stats: big-number */
/* 大数字居中 */
                .stats-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
                .stats-grid .stat-value { font-size: 3rem; background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary) 50%, var(--color-accent)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }

/* cta: full-bg */
.cta-section { background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-accent) 100%); color: #fff; padding: 4rem 2rem; box-shadow: var(--shadow-lg); }

/* Page Layout: wide */
/* 超宽 */
            .page-main { max-width: 1400px; margin: 0 auto; }

/* 条件性装饰 */
.card { border: 1px solid transparent; background: linear-gradient(rgba(255,255,255,.98), rgba(255,255,255,.98)) padding-box, linear-gradient(120deg, rgba(var(--rgb-primary),.75), rgba(var(--rgb-accent),.5) 50%, rgba(var(--rgb-primary),.75)) border-box; }

/* Responsive */
@media (max-width: 1024px) {
    .news-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .feature-list { grid-template-columns: repeat(2, 1fr) !important; }
    .partner-grid { grid-template-columns: repeat(3, 1fr) !important; }
    .stats-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .hero-inner { grid-template-columns: 1fr !important; }
}
@media (max-width: 640px) {
    :root { --space-section: 2rem; --space-card: 1rem; --space-gap: 0.75rem; }
    .news-grid { grid-template-columns: 1fr !important; }
    .feature-list { grid-template-columns: 1fr !important; }
    .faq-list { grid-template-columns: 1fr !important; }
    .testimonial-list { column-count: 1 !important; }
    .partner-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .stats-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .cta-inner { grid-template-columns: 1fr !important; }
}